Al′lo‐troph″ic (?), a. [Gr. � other + trophic.] (a) (Physiol.) Changed or modified in nutritive power by the process of digestion. (b) (Plant Physiol.) Dependent upon other organisms for nutrition; heterotrophic; — said of plants unable to perform photosynthesis, as all saprophytes; — opposed to autotrophic.
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Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.